An imitation of an australian police siren using synthesizer and a big outdoor-style reverb. The siren consists of two oscillators, one of them loops at 4bars at 115bpm. The other is approx 14 times faster. They both move in same approximate freq range from approx f#5 up to g#6, about an octave.
Sitting by king's college chapel listening to voices, sirens, an aeroplane overhead and associated echoes within the quadrant. 5pm (ish) on a friday. Olympus ls3, internal mics.
Morceau d'improvisation à la guitare électrique par Arthur P. (11 ans et quelques) pour l'émission Culture(s) Numérique(s) numéro 11 (juin 2019) sur Radio Pluriel. Publié ici avec son accord.
Every tuesday at noon they test the public warning system here in san francisco. This sample, made at a distance from the intersection of 25th ave and fulton, includes a short announcement, probably recorded by the guy who installed it.
Ambiance sound of distant fireworks during guy fawkes day in the uk. Light city traffic, residential area background and some sirens every now and then. Could be used as distant explosions or gunshots with a bit of editing. Stereo xy recording using two shotgun mics on a zoom f8. 48khz/ 24bit.
An approximation of a 3-toned engine powered/blower stationary air raid siren so powerful that it has to be set on a hill at least 2 miles from a population center. Based on a chrysler engine powered siren.
American signal t-128 and federal signal 2001 siren sounding in attack mode. These sirens are normally sounded in a steady tone for tornado warnings, but this rising and falling tone would be used for civil emergencies like an air raid or other attack on the city.
Inspired by a drawing posted on airradsirens. Com some time ago, a huge siren that is a hybrid of a thunderbolt and a hurricane siren, supercharged by a large industrial air compressor. You do not want to be anywhere close to this beast when it goes off!.
Mechanical outdoor siren recorded at a public park in bettendorf, iowa, united states. Attack (wavering) mode. The steady mode went on for several minutes so i just faded it out.